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Finding the Fourth Proportional to 609,628.40, 841,203.88 and 337,629.16

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Solution

The fourth proportional to 609,628.40, 841,203.88 and 337,629.16 is: 465,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,628.40 : 841,203.88 = 337,629.16 : x
  2. Step 2: Convert to fraction form
    609,628.40/841,203.88 = 337,629.16/x
  3. Step 3: Cross multiply
    609,628.40x = 841,203.88 × 337,629.16
  4. Step 4: Simplify right side
    609,628.40x = 284,014,959,393.14
  5. Step 5: Solve for x
    x = 284,014,959,393.14/609,628.40
  6. Step 6: Final answer
    x = 465,882.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.